(3) Lessee and Sublessee shall have executed and delivered to Lessor and any Lessor Lender any and all such documents, and secured all such approvals and consents from any Person or Governmental Entity, as Lessor and any Lessor Lender shall reasonably require in order to preserve and protect their respective rights and interests hereunder, Lessor's rights as owner and lessor of the Aircraft, and Lessor's rights to the proceeds hereof, including but not limited to an opinion of local legal counsel addressing the foregoing and otherwise in form and substance and from a qualified law firm of recognized standing acceptable to Lessor.